package com.jixi.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.jixi.pojo.entity.Teacher;

public interface TeacherService extends IService<Teacher> {
    
    /**
     * 统计班主任数量
     *
     * @return 班主任数量
     */
    Long countTeacherNum();
}
